Answered

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If you were testing materials to see whether they conduct electricity using a circuit and bulbs, what variable would you be changing?

A. The strength of the battery
B. The number of bulbs
C. The material
D. The time it takes the electricity to complete the circuit

Sagot :

Parrain

Answer: C. The material

Explanation:

In order to check whether a material conducts electricity, the first thing to do would be to design a circuit. Connect a positive wire to the batteries and then another wire from the battery to the bulb and then a wire from the bulb as well.

Then bring different materials to test for conductivity by connecting the wires to the material. If the bulb lights then it is a conductor and if it doesn't the material is not a conductor. The material is therefore the changing variable.

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